| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/16/18 | 8-K | Current report filing |
|
33 | |
| 02/21/18 | 8-K | Current report filing |
|
9 | |
| 02/21/18 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
159 |
| 01/23/18 | 8-K | Current report filing |
|
4 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 12/28/17 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/28/17 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 12/28/17 | 4 | Statement of changes in beneficial ownership of securities |
|
4 |
